Monday, 17 June 2019

NF plant

NF Plant



Mass Balance

(NF, Acid  whey)

NF of Acid Whey
Unit
NF Feed
NF Retentate
NF Permeate

Capacity
kg/h
59400
40432.986
18967.01

True Protein
%
0.4
1.65
0

NPN
%
0.15
0.42
0.06

Lactose
%
3.63
0.06
11.23

Acid
%
0.15
0.07
0.32

Ash
%
0.83
0.4
1.75

Fat
%
0.04
0
0.13



NF Plant Configuration


Membrance : Filmtec NF

Module : Spiral Wound, type 3840









Loop
Spacer
No. of Modules
Membrane Element pr. Module
Area (m2)
Installed Effect

1
30
17
5
629
22KW

2
30
15
5
555
18.5KW

3
30
12
5
444
18.5KW

4
30
13
4
385
18.5KW




Total
2013
77.5KW









High Pressure Feed Pump - 1



37.0KW


High Pressure Feed Pump - 2



37.0KW


Total Effect Installed



151.5KW


SC = Pump must be equipped with a frequency converter.



Consumption Data

(Membrane Plant Exclusive of Pre and After Treatment)


Power Consumption
Effect of Motor (kW)
Operating Hours/day
Total / day (kWH)

Production
156
18
2808

CIP
93
4
372



Total
3180






Cooling Consumption
Max. Capacity (KW)
Operating Hours/day
Tatal /day (kWh)

Producetion
0
18


CIP
84
4
176




176


Please note:

Required for Cooling : Chilled Water at Max. 1 - 2°C

No Cooling During Production

Cooling Needed for Approx. 125 min/day


Heating Consumption
Max. Capacity (KW)
Consumption per day (kWh)

CIP
715
477


Note:

The heating capacity is based on flushing with cold water, the enclosed proposal for CIP, and on a  heating time of 10 minutes per CIP sequence.


Water Consumption
Max. Capacity
Consumption per day

CIP
104 m3/h
104 m3



Water Quality Specifications



Iron (Fe) :
< 0.05 mg/l


Manganese (Mn) :
<0.02 mg/l


Aluminium (Al) :
<0.05 mg/l


Silica (SiO2) :
<20 mg/l


Hypochlorite (Cl2/HOCl):
0 mg/l


German Hardness :
<20°dH


Conductivity:
> 5micronS/cm


Foulding Index :
<3 SDI


Turbidity:
<1 NTU


Total Count at 22°C
<1000/ml


Total Count at 37°C
<10/ml


Coliforms per 100ml :
<10






Cleaning Agent
Kg/day


Ultrasil 67
6.4


Ultrasil 69
17.1


Ultrasil 75
6.4


Ultrasil 110
38.5



Membrance

Type of Membrane :
Filmtec NF

Area Installed
2124 m2 (287 membrane Elements)


Suggested Cleaning Procedure

Type of Plant
NF Plant

Type of Membrance
SW-PE

Type of Feed Product
Acid Whey

Operating temp.
10 - 13°C



Step
Duration (minutes)
Cleaning Agent
Strength (%)
Temp. (°C)

Flushing
5 - 10
Water / RO permeate

Cold

Enzyme
35
P3 -Ultrasil 69
0.8
50



P3 - Ultrasil 67
0.3


Flushing
5 - 10
Water / RO permeate

Cold

Acid
30
P3 - Ultrasil 75
0.3
50

Flushing
5 - 10
Water / RO permeate

Cold

Alkali
30
P3 - Ultrasil 110
0.8
50

Flushing
5 - 10
Water 

Cold








NF of Acid Whey
NF Feed
NF Retentate
NF Permeate


True Protein %
0.4
1.65
0


NPN %
0.15
0.42
0.06


Lactose %
3.62
14.66
0.08


Acid %
0.15
0.53
0.03


Ash %
0.83
2.57
0.27


Fat %
0.04
0.16
0


Total Solids %
5.19
19.98
0.45


Capacity Kg/hr
58,000
14,085
43,915


Running Hours Between CIP
20
20
20


Capacity per day/kr
1,60,000
281700
878300



UF of Acid NF Retentate (35% WPC)
UF Feed
UF Retentate
UF Permeate
Powder with 3.5% moisture

True Protein %
1.65
10
0.04


NPN%
0.42
0.74
0.36


Lactose %
14.66
14.23
14.74


Acid %
0.53
0.53
0.53


Ash %
2.57
2.96
2.5


Fat%
0.16
0.97
0.01








Total solids%
19.98
29.43
18.17
96.5

Protein / Total Solids

36.5



Ash / Powder



9.7

Capacity kg/h
14085
2273
11812
693

Running hours between CIP
20
20
20
20

Capaciity per day/kg
281700
45460
236240
13860



UF of acid NF Retentate (60% WPC)
UF Feed
UF Retentate
UF Permeate
Powder with 3.5% moisture

True Protein %
1.65
19.06
0.06


NPN %
0.42
0.77
0.35


Lactose %
14.66
6.71
13.78


Acid %
0.53
0.29
0.49


Ash %
2.57
2.79
2.28


Fat %
0.16
1.85
0.01


Total Solids %
19.98
31.47
16.97
96.5

Protein / Total Solids

63



Ash / Powder



8.56

Capacity kg/h
14085
1174
14411
382

Running Hour between CIP
20
20
20
20




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